Home / 1,074,412.89-1,612,075.10-505,781.55

Finding the Fourth Proportional to 1,074,412.89, 1,612,075.10 and 505,781.55

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Solution

The fourth proportional to 1,074,412.89, 1,612,075.10 and 505,781.55 is: 758,886.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,412.89 : 1,612,075.10 = 505,781.55 : x
  2. Step 2: Convert to fraction form
    1,074,412.89/1,612,075.10 = 505,781.55/x
  3. Step 3: Cross multiply
    1,074,412.89x = 1,612,075.10 × 505,781.55
  4. Step 4: Simplify right side
    1,074,412.89x = 815,357,840,265.50
  5. Step 5: Solve for x
    x = 815,357,840,265.50/1,074,412.89
  6. Step 6: Final answer
    x = 758,886.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.